Hollyland MARS 300 PRO [Official] HDMI Loopout Wireless Video Transmission System With Antenna (Enhanced)

Cooling System & Fan Speed Control

Cooling holes placed on the side increases air intake and new added function to adjust the fan speed in order to control fan noise

Smart Channel Scan & Firmware Update

Also, HollyView APP supports easy & quick firmware updates & smart channel scans. The Hollyland Mars 300 pro will automatically scan the current environment on the receiver to find out available channels and avoid the channels with interference.

Multiple Power Options & Firmware Update

Mars 300 Pro supports 5-12V wide voltage power supply in different ways such as various L-Series batteries (excluded), different power banks(excluded), and type-C(5V/2A) charging.